peck 2 
(pĕk)
(pĕk)n.
1. Abbr. pk.
a. A unit of dry volume or capacity in the US Customary System equal to 8 quarts or approximately 537.6 cubic inches.
b. A unit of dry volume or capacity in the British Imperial System equal to 8 quarts or approximately 554.8 cubic inches.
2. A container holding or measuring a peck.
3. Informal A large quantity; a lot: a peck of troubles.
[Middle English.]